.singer_top{
  width: 100%;
  height: 2.25rem;
  padding: 0 0.5rem 0.25rem;
  line-height: 2.25rem;
  color: #fff;
  position: fixed;
  top: 0;
}
.singer_top i{
  /* display: inline-block; */
  font-size: 1rem;
  margin-right: 0.25rem;
}
.singer_top span{
  font-size: 0.8rem;
  font-weight: 900;
}

.middle_div{
  /* position: absolute;
  top: 0;
  z-index: -1; */
}
.middle_div img{
  width: 100%;
}